Design: 100% waterproof Steel shank in outsole for stability and support Soft textured rubber Front zipper for easy entry In-Shoe Comfort: BOGS Max-Wick evaporates sweat to keep feet dry Plush lining for warmth and comfort BLOOM eco-friendly, algae-based EVA footbed that helps clean polluted water habitats. Durability & Traction: Slip-resistant outsole for reliable traction in wet conditions Additional Details: DuraFresh natural bio-technology activates to fight odors Comfort rated to -13°F/-25°C